Heat in Michigan, July 23, 2013

Name: Heat in Michigan, July 23, 2013
Start: 2013-07-23T19:00
End: 2013-07-23T22:00
Location: Michigan

July 23, 2013 · NWS DTX · 1 event in 1 county or zone

A 5 year old boy died of hyperthermia, after he climbed into an unlocked car. The outside temperatures was only in the lower 70s.

Where it happened

Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 1
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS DTX wrote it up.

A 5 year old boy died of hyperthermia, after he climbed into an unlocked car. The outside temperatures was only in the lower 70s.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Detroit, MI wrote its last area forecast discussion before the first event at Jul 23, 6:04 PM EST, 56 minutes earlier.

Area forecast discussion, Jul 23, 6:04 PM EST, 56 minutes before

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Hazardous weather outlook, Jul 23, 3:08 PM EST, 3 hours 52 minutes before

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In the hours before

Local storm report, Jul 23, 2:26 PM EST, 4 hours 34 minutes before

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Local storm report, Jul 23, 2:33 PM EST, 4 hours 27 minutes before

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Special weather statement, Jul 23, 2:40 PM EST, 4 hours 20 minutes before

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Local storm report, Jul 23, 2:50 PM EST, 4 hours 10 minutes before

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Local storm report, Jul 23, 4:17 PM EST, 2 hours 43 minutes before

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Local storm report, Jul 23, 4:18 PM EST, 2 hours 42 minutes before

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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

1 heat. Local standard time, as filed.

Heat, Wayne

When: July 23, 7:00 PM EST to 10:00 PM EST
Where: Wayne forecast zone
Deaths: 0 direct, 1 indirect
Reported by: Broadcast Media
Coordinates: 42.285, -83.261 (the zone’s center; the record gives no point)

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

Event	Date	Age	Sex	Where	Kind
Heat, Wayne	2013-07-23	5	Male	Vehicle/Towed Trailer	Indirect

What these are

Heat: Heat below excessive heat criteria that still caused deaths, injuries or significant impacts.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Michigan in 2013 Every state in 2013 This day in weather history Warnings in Michigan, July 2013

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 468864.